Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754519Ab1BIRA6 (ORCPT ); Wed, 9 Feb 2011 12:00:58 -0500 Received: from va3ehsobe006.messaging.microsoft.com ([216.32.180.16]:17073 "EHLO VA3EHSOBE009.bigfish.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753039Ab1BIRA4 (ORCPT ); Wed, 9 Feb 2011 12:00:56 -0500 X-SpamScore: -1 X-BigFish: VPS-1(zz1fa4Lc8kzz1202hzz8275bh8275dhz2dh95h668h62h) X-Spam-TCS-SCL: 1:0 X-Forefront-Antispam-Report: KIP:(null);UIP:(null);IPVD:NLI;H:xsj-gw1;RD:unknown-60-83.xilinx.com;EFVD:NLI From: John Linn To: , , , , CC: John Linn Subject: [PATCH V2 3/4] ARM: Xilinx: base header files and assembly macros Date: Wed, 9 Feb 2011 10:00:44 -0700 X-Mailer: git-send-email 1.5.6.6 In-Reply-To: <1297270845-18802-3-git-send-email-john.linn@xilinx.com> References: <1297270845-18802-1-git-send-email-john.linn@xilinx.com> <1297270845-18802-2-git-send-email-john.linn@xilinx.com> <1297270845-18802-3-git-send-email-john.linn@xilinx.com> X-RCIS-Action: ALLOW MIME-Version: 1.0 Content-Type: text/plain Message-ID: X-OriginatorOrg: xilinx.com Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 17808 Lines: 529 These are the minimum needed to build the kernel for the new platform. Signed-off-by: John Linn --- V2 Changes Updates based on Russell King's comments moved to using entry-macro-gic.S moved stuff from hardware.h to xilinx_soc.h added IOMEM() in io.h to help with typing Minor updates to IO_SPACE_LIMIT and __io() Updated addresses to be clear with seperate virtual and physical addresses arch/arm/mach-xilinx/include/mach/clkdev.h | 33 ++++++++++++++++ arch/arm/mach-xilinx/include/mach/debug-macro.S | 36 ++++++++++++++++++ arch/arm/mach-xilinx/include/mach/entry-macro.S | 29 ++++++++++++++ arch/arm/mach-xilinx/include/mach/hardware.h | 18 +++++++++ arch/arm/mach-xilinx/include/mach/io.h | 33 ++++++++++++++++ arch/arm/mach-xilinx/include/mach/irqs.h | 28 ++++++++++++++ arch/arm/mach-xilinx/include/mach/memory.h | 23 +++++++++++ arch/arm/mach-xilinx/include/mach/system.h | 28 ++++++++++++++ arch/arm/mach-xilinx/include/mach/timex.h | 24 ++++++++++++ arch/arm/mach-xilinx/include/mach/uart.h | 30 +++++++++++++++ arch/arm/mach-xilinx/include/mach/uncompress.h | 46 +++++++++++++++++++++++ arch/arm/mach-xilinx/include/mach/vmalloc.h | 20 ++++++++++ arch/arm/mach-xilinx/include/mach/xilinx_soc.h | 46 +++++++++++++++++++++++ 13 files changed, 394 insertions(+), 0 deletions(-) create mode 100644 arch/arm/mach-xilinx/include/mach/clkdev.h create mode 100644 arch/arm/mach-xilinx/include/mach/debug-macro.S create mode 100644 arch/arm/mach-xilinx/include/mach/entry-macro.S create mode 100644 arch/arm/mach-xilinx/include/mach/hardware.h create mode 100644 arch/arm/mach-xilinx/include/mach/io.h create mode 100644 arch/arm/mach-xilinx/include/mach/irqs.h create mode 100644 arch/arm/mach-xilinx/include/mach/memory.h create mode 100644 arch/arm/mach-xilinx/include/mach/system.h create mode 100644 arch/arm/mach-xilinx/include/mach/timex.h create mode 100644 arch/arm/mach-xilinx/include/mach/uart.h create mode 100644 arch/arm/mach-xilinx/include/mach/uncompress.h create mode 100644 arch/arm/mach-xilinx/include/mach/vmalloc.h create mode 100644 arch/arm/mach-xilinx/include/mach/xilinx_soc.h diff --git a/arch/arm/mach-xilinx/include/mach/clkdev.h b/arch/arm/mach-xilinx/include/mach/clkdev.h new file mode 100644 index 0000000..5dd1453 --- /dev/null +++ b/arch/arm/mach-xilinx/include/mach/clkdev.h @@ -0,0 +1,33 @@ +/* + * arch/arm/mach-xilinx/include/mach/clkdev.h + * + * Copyright (C) 2011 Xilinx, Inc. + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#ifndef __MACH_CLKDEV_H__ +#define __MACH_CLKDEV_H__ + +struct clk { + unsigned long rate; +}; + +static inline int __clk_get(struct clk *clk) +{ + return 1; +} + +static inline void __clk_put(struct clk *clk) +{ +} + +#endif diff --git a/arch/arm/mach-xilinx/include/mach/debug-macro.S b/arch/arm/mach-xilinx/include/mach/debug-macro.S new file mode 100644 index 0000000..1aa227f --- /dev/null +++ b/arch/arm/mach-xilinx/include/mach/debug-macro.S @@ -0,0 +1,36 @@ +/* arch/arm/mach-xilinx/include/mach/debug-macro.S + * + * Debugging macro include header + * + * Copyright (C) 2011 Xilinx + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include +#include + + .macro addruart, rp, rv + ldr \rp, =LL_UART_PADDR @ physical + ldr \rv, =LL_UART_VADDR @ virtual + .endm + + .macro senduart,rd,rx + str \rd, [\rx, #UART_FIFO_OFFSET] @ TXDATA + .endm + + .macro waituart,rd,rx + .endm + + .macro busyuart,rd,rx +1002: ldr \rd, [\rx, #UART_SR_OFFSET] @ get status register + tst \rd, #UART_SR_TXFULL @ + bne 1002b @ wait if FIFO is full + .endm diff --git a/arch/arm/mach-xilinx/include/mach/entry-macro.S b/arch/arm/mach-xilinx/include/mach/entry-macro.S new file mode 100644 index 0000000..325bc3f --- /dev/null +++ b/arch/arm/mach-xilinx/include/mach/entry-macro.S @@ -0,0 +1,29 @@ +/* + * arch/arm/mach-xilinx/include/mach/entry-macro.S + * + * Low-level IRQ helper macros + * + * Copyright (C) 2011 Xilinx + * + * based on arch/plat-mxc/include/mach/entry-macro.S + * + * Copyright (C) 2007 Lennert Buytenhek + * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#include +#include + + .macro disable_fiq + .endm + + .macro arch_ret_to_user, tmp1, tmp2 + .endm diff --git a/arch/arm/mach-xilinx/include/mach/hardware.h b/arch/arm/mach-xilinx/include/mach/hardware.h new file mode 100644 index 0000000..195dd2c --- /dev/null +++ b/arch/arm/mach-xilinx/include/mach/hardware.h @@ -0,0 +1,18 @@ +/* arch/arm/mach-xilinx/include/mach/hardware.h + * + * Copyright (C) 2011 Xilinx + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef __MACH_HARDWARE_H__ +#define __MACH_HARDWARE_H__ + +#endif diff --git a/arch/arm/mach-xilinx/include/mach/io.h b/arch/arm/mach-xilinx/include/mach/io.h new file mode 100644 index 0000000..bc90a55 --- /dev/null +++ b/arch/arm/mach-xilinx/include/mach/io.h @@ -0,0 +1,33 @@ +/* arch/arm/mach-xilinx/include/mach/io.h + * + * Copyright (C) 2011 Xilinx + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef __MACH_IO_H__ +#define __MACH_IO_H__ + +/* Allow IO space to be anywhere in the memory */ + +#define IO_SPACE_LIMIT 0xffff + +/* IO address mapping macros, nothing special at this time but required */ + +#ifdef __ASSEMBLER__ +#define IOMEM(x) (x) +#else +#define IOMEM(x) ((void __force __iomem *)(x)) +#endif + +#define __io(a) __typesafe_io(a) +#define __mem_pci(a) (a) + +#endif diff --git a/arch/arm/mach-xilinx/include/mach/irqs.h b/arch/arm/mach-xilinx/include/mach/irqs.h new file mode 100644 index 0000000..da2fadc --- /dev/null +++ b/arch/arm/mach-xilinx/include/mach/irqs.h @@ -0,0 +1,28 @@ +/* arch/arm/mach-xilinx/include/mach/irqs.h + * + * Copyright (C) 2011 Xilinx + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#ifndef __MACH_IRQS_H +#define __MACH_IRQS_H + +#define ARCH_NR_GPIOS 118 +#define NR_IRQS (128 + ARCH_NR_GPIOS) + +/* + * GIC Interrupts + */ + +#define IRQ_GIC_SPI_START 32 +#define IRQ_TIMERCOUNTER0 42 +#define IRQ_UART0 59 + +#endif diff --git a/arch/arm/mach-xilinx/include/mach/memory.h b/arch/arm/mach-xilinx/include/mach/memory.h new file mode 100644 index 0000000..2b6d1eb --- /dev/null +++ b/arch/arm/mach-xilinx/include/mach/memory.h @@ -0,0 +1,23 @@ +/* arch/arm/mach-xilinx/include/mach/memory.h + * + * Copyright (C) 2011 Xilinx + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef __MACH_MEMORY_H__ +#define __MACH_MEMORY_H__ + +#include + +#define PHYS_OFFSET 0x0 +#define MEM_SIZE SZ_256M + +#endif diff --git a/arch/arm/mach-xilinx/include/mach/system.h b/arch/arm/mach-xilinx/include/mach/system.h new file mode 100644 index 0000000..a5f1f0f --- /dev/null +++ b/arch/arm/mach-xilinx/include/mach/system.h @@ -0,0 +1,28 @@ +/* arch/arm/mach-xilinx/include/mach/system.h + * + * Copyright (C) 2011 Xilinx + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef __MACH_SYSTEM_H__ +#define __MACH_SYSTEM_H__ + +static inline void arch_idle(void) +{ + cpu_do_idle(); +} + +static inline void arch_reset(char mode, const char *cmd) +{ + /* Add architecture specific reset processing here */ +} + +#endif diff --git a/arch/arm/mach-xilinx/include/mach/timex.h b/arch/arm/mach-xilinx/include/mach/timex.h new file mode 100644 index 0000000..2946c35 --- /dev/null +++ b/arch/arm/mach-xilinx/include/mach/timex.h @@ -0,0 +1,24 @@ +/* arch/arm/mach-xilinx/include/mach/timex.h + * + * Copyright (C) 2011 Xilinx + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef __MACH_TIMEX_H__ +#define __MACH_TIMEX_H__ + +#include + +#define PERIPHERAL_CLOCK_RATE 2500000 + +#define CLOCK_TICK_RATE (PERIPHERAL_CLOCK_RATE / 32) + +#endif diff --git a/arch/arm/mach-xilinx/include/mach/uart.h b/arch/arm/mach-xilinx/include/mach/uart.h new file mode 100644 index 0000000..2601143 --- /dev/null +++ b/arch/arm/mach-xilinx/include/mach/uart.h @@ -0,0 +1,30 @@ +/* arch/arm/mach-xilinx/include/mach/uart.h + * + * Copyright (C) 2011 Xilinx + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#ifndef __MACH_UART_H__ +#define __MACH_UART_H__ + +#define UART_CR_OFFSET 0x00 /* Control Register [8:0] */ +#define UART_SR_OFFSET 0x2C /* Channel Status [11:0] */ +#define UART_FIFO_OFFSET 0x30 /* FIFO [15:0] or [7:0] */ + +#define UART_SR_TXFULL 0x00000010 /* TX FIFO full */ +#define UART_SR_TXEMPTY 0x00000008 /* TX FIFO empty */ + +#define UART_FIFO_WRITE(base, value) \ + (*(volatile unsigned int *)((base) + UART_FIFO_OFFSET) = (value)) + +#define UART_STATUS(base) \ + (*(volatile unsigned int *)((base) + UART_SR_OFFSET)) + +#endif diff --git a/arch/arm/mach-xilinx/include/mach/uncompress.h b/arch/arm/mach-xilinx/include/mach/uncompress.h new file mode 100644 index 0000000..7b9f4c3 --- /dev/null +++ b/arch/arm/mach-xilinx/include/mach/uncompress.h @@ -0,0 +1,46 @@ +/* arch/arm/mach-xilinx/include/mach/uncompress.h + * + * Copyright (C) 2011 Xilinx + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#ifndef __MACH_UNCOMPRESS_H__ +#define __MACH_UNCOMPRESS_H__ + +#include +#include + +void arch_decomp_setup(void) +{ +} + +static inline void flush(void) +{ + /* + * Wait while the FIFO is not empty + */ + while (!(UART_STATUS(LL_UART_PADDR) & UART_SR_TXEMPTY)) + ; +} + +#define arch_decomp_wdog() + +static void putc(char ch) +{ + /* + * Wait for room in the FIFO, then write the char into the FIFO + */ + while (UART_STATUS(LL_UART_PADDR) & UART_SR_TXFULL) + ; + + UART_FIFO_WRITE(LL_UART_PADDR, ch); +} + +#endif diff --git a/arch/arm/mach-xilinx/include/mach/vmalloc.h b/arch/arm/mach-xilinx/include/mach/vmalloc.h new file mode 100644 index 0000000..62e2408 --- /dev/null +++ b/arch/arm/mach-xilinx/include/mach/vmalloc.h @@ -0,0 +1,20 @@ +/* arch/arm/mach-xilinx/include/mach/vmalloc.h + * + * Copyright (C) 2011 Xilinx + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef __MACH_VMALLOC_H__ +#define __MACH_VMALLOC_H__ + +#define VMALLOC_END 0xE0000000 + +#endif diff --git a/arch/arm/mach-xilinx/include/mach/xilinx_soc.h b/arch/arm/mach-xilinx/include/mach/xilinx_soc.h new file mode 100644 index 0000000..aa7cab5 --- /dev/null +++ b/arch/arm/mach-xilinx/include/mach/xilinx_soc.h @@ -0,0 +1,46 @@ +/* arch/arm/mach-xilinx/include/mach/xilinx_soc.h + * + * Copyright (C) 2011 Xilinx + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef __MACH_XILINX_SOC_H__ +#define __MACH_XILINX_SOC_H__ + +/* For now, all mappings are flat (physical = virtual) + */ +#define UART0_PHYS 0xE0000000 +#define UART0_VIRT UART0_PHYS + +#define TTC0_PHYS 0xF8001000 +#define TTC0_VIRT TTC0_PHYS + +#define PL310_L2CC_PHYS 0xF8F02000 +#define PL310_L2CC_VIRT PL310_L2CC_PHYS + +#define SCU_PERIPH_PHYS 0xF8F00000 +#define SCU_PERIPH_VIRT SCU_PERIPH_PHYS + +/* The following are intended for the devices that are mapped early */ + +#define TTC0_BASE IOMEM(TTC0_VIRT) +#define SCU_PERIPH_BASE IOMEM(SCU_PERIPH_VIRT) +#define SCU_GIC_CPU_BASE (SCU_PERIPH_BASE + 0x100) +#define SCU_GIC_DIST_BASE (SCU_PERIPH_BASE + 0x1000) +#define PL310_L2CC_BASE IOMEM(PL310_L2CC_VIRT) + +/* + * Mandatory for CONFIG_LL_DEBUG, UART is mapped virtual = physical + */ +#define LL_UART_PADDR UART0_PHYS +#define LL_UART_VADDR UART0_VIRT + +#endif -- 1.6.2.1 This email and any attachments are intended for the sole use of the named recipient(s) and contain(s) confidential information that may be proprietary, privileged or copyrighted under applicable law. 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